Cheap flights from Toronto Pearson Intl Airport to Boston from $134

In general, September is the cheapest month to fly from Toronto Pearson Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you aren’t able to travel during the month of September, then book flights to Boston from Toronto Pearson Intl Airport during May instead. Flights to Boston in May, while not as cheap as those in September, still average around $285.

The cheapest day to depart from Toronto Pearson Intl Airport to Boston is on a Thursday when prices can be found for as low as $260. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $450.

According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from Toronto Pearson Intl Airport to Boston at noon for as low as $286. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $601 per ticket.

Fly from Toronto Pearson Intl to Boston Logan Intl for the best Toronto Pearson Intl - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Toronto Pearson Intl Airport for as low as $262 on momondo.

There are 4 cabin classes available to choose from on Toronto Pearson Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Canada and Porter Airlines are the most popular carriers operating from Toronto Pearson Intl to Boston Logan Intl

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Boston from Toronto Pearson Intl Airport according to our data. Air Canada is the first choice among our users, with 88% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 3 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% of flights between Toronto and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 29% of their flights experiencing any sort of delay.

11 flights are operational daily from Toronto Pearson Intl Airport to Boston as of March 2026. The most popular departure time for this route is 4:00PM, with 47% of flights per day taking off in the afternoon.

As of March 2026, 77 flights take off from Toronto Pearson Intl Airport and land in Boston each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.